One of the legacies of heavy industrial work along parts of the Lake Michigan shoreline in the 1950s is the pollution it left behind. In the waters off Green Bay, that pollution has had a profound impact on the production of flies. Why does that matter? Just ask a fisherman looking for walleyes in Green Bay.

On this edition of UWM Today, meet Jerry Kaster and Chris Groff, two UWM scientists involved in a fascinating research project that explores the world of mud and muck at the bottom of Green Bay.